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Switch arrangement in motor vehicle electrical system

A switching system, automotive circuit technology, applied in the direction of circuits or fluid pipelines, vehicle components, engine starting, etc., can solve problems such as increasing the weight of the line

Active Publication Date: 2016-03-09
AUTO KABEL MANAGEMENTGMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this leads to increased wiring weight, because although the starter and the generator are usually arranged close to each other in space, in particular in the motor compartment, it is necessary to guide two cables from the battery to the starter or to the generator. line

Method used

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  • Switch arrangement in motor vehicle electrical system
  • Switch arrangement in motor vehicle electrical system
  • Switch arrangement in motor vehicle electrical system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0062] figure 1 The circuit network topology 2 of a car is shown. The circuit network topology has a vehicle battery 4 with an anode 4a and a cathode 4b. The cathode 4b is usually connected to the body of the car. The electronic switching network 6 is arranged in the closest spatial and electrical proximity to the anode 4 a of the battery 4 . The switching network 6 enables flexible switching of the battery circuits connected thereto (for example the starter-battery circuit 10 and / or the generator-battery circuit 8 ) and in particular in the event of an accident or in a deactivated state. Current break.

[0063] In parallel with the switching network 6 , a consumer network (schematically represented by a resistor 7 ) can be connected to the battery anode 4 a. The electrical consumer network 7 includes in particular safety-critical electrical consumers which must not be disconnected from the battery.

[0064] The switch network 6 has an input 6a and a first output 6b and a...

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PUM

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Abstract

The invention relates to a motor vehicle electrical system comprising a switch element (20) which is arranged between a generator battery line and a starter battery line and by means of which the generator battery line (8) and the starter battery line (10) can be short-circuited spatially in the region of the starter (18). The starter battery line (10) has a larger cross-section (10b) between the switch element and the starter than the cross-section (10a) between the switch element and the battery (4).

Description

technical field [0001] The invention relates to a switching system of a motor vehicle and to a method for actuating such a switching system. Background technique [0002] The internal combustion engine in a car doesn't provide any torque when it's not in use. For this reason, it has hitherto not been possible to start such internal combustion engines autonomously by injecting fuel. This has the effect that a torque must be applied to the internal combustion engine within the vehicle for starting. This torque is usually provided by a starter or electric motor. Such electric machines are required for starting or driving the internal combustion engine. [0003] The starter of the internal combustion engine is powered by the car's battery. At the moment of starting, ie when the starter is cranked, its inductive load is low and a very high current flows from the battery through the starter. The inductance of the starter almost caused a short circuit at the instant of startin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02N11/08
CPCB60R16/03F02N11/0862F02N11/0866F02N11/087F02N2011/0885F02N2250/02F02N2011/0877F02N2011/0874
Inventor 西蒙·贝奇尔瓦西姆·塔扎里弗兰克·格龙瓦尔德
Owner AUTO KABEL MANAGEMENTGMBH